package cn.antho;

import com.netflix.loadbalancer.RandomRule;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.circuitbreaker.EnableCircuitBreaker;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.client.RestTemplate;

@SpringBootApplication
// 开启Eureka客户端
@EnableEurekaClient
// 开启熔断功能
@EnableCircuitBreaker
public class OrderApp {

    public static void main(String[] args) {
        SpringApplication.run(OrderApp.class, args);
    }

    @Bean // 写在有@Configuration注解修饰的类中，相当于spring时期中spring.xml配置文件中写的<bean>
    @LoadBalanced // 让RestTemplate有负载均衡的能力
    public RestTemplate restTemplate() {
        return new RestTemplate();
    }

    /**
     * 配置负载均衡为随机算法
     * @return
     */
    @Bean
    public RandomRule randomRule(){
        return new RandomRule();
    }

}
